public without sharing class addController {
    @AuraEnabled

    public static void saveContacts(List<Contact> listContact){
        Insert listContact;
        system.debug('listContact '+ listContact);

        User currentUser = [SELECT Id, Contact.AccountId FROM User WHERE Id =: UserInfo.getUserId() LIMIT 1];
        system.debug('currentUser '+ currentUser);

        List<User> uList= new List<User>();
        List<Relatie__c> rel= new List<Relatie__c>();
        UserRole ur = [SELECT Id FROM UserRole Where name = 'Partner'];

        Profile profileId = [SELECT Id FROM Profile WHERE Name = 'Customer Community User' LIMIT 1];

        for(Contact con : listContact){

            Relatie__c rc = new Relatie__c(Account__c = currentUser.contact.AccountId, Contactpersoon__c = con.id ) ;
            system.debug('rc '+ rc);
            rel.add(rc);
            string alias = con.firstName.substring(0,1) + con.lastName.substring(0,1);
            user u = New user(userName = con.firstName+'.'+con.lastName+'@test.nl' ,
                              firstName = con.firstName,
                              lastName = con.lastName,
                              alias = alias,
                              email = con.Email,
                              communityNickName = alias,
                              timeZoneSidKey = 'Europe/Amsterdam',
                              LocaleSidKey = 'nl_NL',
                              EmailEncodingKey = 'ISO-8859-1',
                              LanguageLocaleKey = 'nl_NL',
                              ContactID = con.id,
                              ProfileId = profileId.id,
                              UserRoleId = ur.id
                             );

            uList.add(u); }
        insert rel;
        system.debug('rel '+ rel);
        insert uList;

    }
}